Grain-binder



' 2 Sheets-Sheet 1. G. G. HUNT. GRAIN BINDER.

(No Model.)

Patented Apr. 13, 1886.

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GRAIN BINDER.

No. 339,989. Patented Apr. 13, 1886.

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GEORGE G. HUNT, OF BRISTOL STATION, ASSIGNOR OF ONE-HALF TO THE PLANOMANUFACTURING COMPANY, OF PLANO, ILLINOIS.

GRAIN-BINDER.

SPECIFICATION forming part of Letters Patent No. 339.989, dated April13. 1886.

Application filed November 30, 1883. Serial No. 113,235. (No model.)

To all whom it may concern.-

Be it known that I, GEORGE G. HUNT, a citizen of the United States, andresiding at Bristol Station, in the county of Kendall and State ofIllinois, have invented a certain new and useful Improvement inGrain-Binders, which is fully set forth in the following specification,reference being had to the accompanying drawings, in which- 1o Figure lrepresents an outer side view of a knotter-frame and attachmentsembodying my invention; Fig. 2, a cross-section of the same, taken onthe line a: x, Fig. l, but reversed in position; Fig. 3, a section ofthe same, taken on the line y y, Fig. 2; Fig. 4, a detail plan of theplunger-bolt and its connections with the cutter.

My present invention relates to that class of grain-binders in which anautomatic tripping 2o mechanism is employed for sizing the bundles,

and cord is used as the binding material.

' The improvements relate to the mechanism for holding and cutting thecord.

I will proceed to describe in detail such parts of a grainbindingmachineas are necessary to a full and complete understanding of theconstruction and operation of my invention as I have embodied it inpractical form in a working machine, and will then point out definitelyin the claims the special improvements which I believe to be new andwish to protect by Letters Patent.

In the drawings, A represents the knetterframe or small frame on whichthe cord holding and tying devices are mounted, and B the main shaft or"the binder. On this shaft is 'mounted the main cam-wheel O, which isprovided with gearsectiou c, as usual, for imparting the required motionto the knotting-hook,

40 which is provided, as usual, with a pinion, d, and is mounted insuitable bearings on the knotter-frame. The cord-holder E is a notcheddisk, and at one edge runs in a grooved clamp or keeper, F, which inthis instance is pivoted,

and has an actuatingspring, f, arranged behind it. All these parts areof ordinary general construction, and will be sufficiently wellunderstood without a more particular description in the presentinstance.

I employ a plunger-bolt, G, to operate th cord-holder; but I make thisdevice of peculiar construction and connect it with the cutter,

so that it serves also to operate the mechanism for severing the cord,and I also provide for driving the plunger-bolt positively in eachdirection of its reciprocating motion. The lastmentioned result I obtainby mounting the plunger-bolt in the arms a of the knotterframe, whichdepend from the main shaft, andl in such manner as to leave it free toslide back and forth in its bearings. A small cam-wheel,

H, is mounted on the main shaft outside of the binder-head, and on theopposite side of the latter to that on which the wheel C is located. lheplungerbolt extends from one of 65 these wheels to the other, aud thewheel C is provided with a ring-cam, c', on its inner face, arranged tobear against the end of the plunger-bolt at that side of theknotter-i'rame being cut away partly atcz, as shown in Fig. 2 of 70 thedrawings. The wheel H is also provided with a short cam, h, on itsinnerface,arranged to act upon the opposite end of the plungerbolt, and alsolocated so as to correspond substantially with the break or cut-out inthe cam 7 5 c. Obviously, during the revolution of the main shaft thecam c will for the greater portion of the time act on theplunger-bo1t,and will hold it at the end of its movement toward thesmall cam-wheel H, its opposite end be- 8o ing in contact with the faceof the latter wheel,

as shown in Fig. 3 of the drawings. This is an inoperative position ofthe plunger-bolt,

or its position when all the parts actuated by it remain in a state ofrest. Vhen, however, in the revolution of the main shaft the cam h isbrought into contact with the plunger-bolt, the latter will bereciprocated in the opposite direction, the cut-out in the cam c'permitting this movement, and this motion of the go plunger-boltoperates the cord-holder and the cutter, as I will now describe, t-heparts of course being arranged and timed to produce these operations atthe proper moment. The ends ofthe plunger-bolt are preferably providedwith rollers for the purpose of reducing friction. The plunger-bolt Ghas an arm or branch, g, which,wl1en the parts are in position on abinder, extends downward by one side of the arms of the knotter-frameand passes loo f as'shown in Fig. 4 of the drawings.

beyond and outside of a cross piece or bar,a, which joins the'lowerordepressed ends ofthe sidearms,a,oftheknotteriframe. '.lhisbranchr g isbent so as to. pass along the cross-piece a von the outside thereof tothe opposite side of the knetter-frame, as shown in Figs. 3 and 4 ofthedrawings.

The cord-holder E is provided at its back or underside withAaratchet-wheehe; A pawl, I, is pivoted to the depending arm of theplunger-bolt and arranged to engage with the teeth of the ratchet-wheel,being provided with any suitable spring, i, which operates to hold itinsuch engagement. As the plungerbolt is driven inward toward the wheel Cby the cam on the wheel I-I, the pawl is carried bodily in the samedirection, thereby rotating the disk cord-holder at the proper time,andfor vthe usual purpose ot clamping` the cord. A springstop, e', isfastened to the knotteiframe and arranged to engage at its other endwith the ratchet-wheel foi-the purpose of preventing any back movementot the cordholder. The pawl, it will be noticed, is attached by a singlefirm pivot to a rigid part of the pl ungerbolt, and its form andlocation are such that the direction of the toe is nearly parallel withthe plunger-bolt, and so the movement of the toe of the pawl is in aline nearly parallel with the movement of the plu n- -ger-bolt, andsubstantially tangential to the ratchet-wheel, its spring serving tokeep it engaged with the ratchet-wheel, however, during this movement.At the eXtreme outer end of the arm g of the plunger-bolt there is ashort stud or boss, g2, (shown in dotted lines in Fig. 4, of thedrawings) above which is an angular plate, J, which is pivoted at onecorner to t-he knotter-frame, and is provided with a radial slot, j,outside the pivot. The cutter J is attached to this plate, which servesas its holder, and the plate is connected to the stud g2 bya pin, g',passing through the radial slot,

.Obviously,the reciprocating movement ofthe plunger-bolt will vibratethis plate, and so give a corresponding motion to the cutter-edgesufticiently to cut the cord, and is arranged to do this at the propermoment. The cutter and its holder, obviously, Vmay be made in a singlepiece, if desired, instead of two pieces, as here shown, the gist of theimprovement being the construction and arrangement oi' the deviceswhereby the cutter is operated directly and positively in all of itsvibrations by the plunger-bolt.

I have shown and described above in `detail the construction andarrangement of special devices by means of which Ihave carried myinvention into practical operation; but I do not wish to be understoodas limiting myself to this particular construction and arrangement ofdevices in details,for obviously changes maybe made in this respect, andyet the main features of the invention be retained.

In providing means for reciprocating the plunger-bolt positivelyl Iavoid the use of all springs, against 'the force of whichtheplunger-bolt must'be active in the ordinary construction, and there isno resistance to be overcome in the movement of this bolt,except theslight friction in its bearings and that occa-v sioned by the mechanismwhichit-is employed to operate. 'f It will be seen,too,that themecha'nism for operating theA cord-holder is very simple and soconstructed and arranged that it must act with certainty and withoutliability to disarrangement. Here, too, there is no resistance ofsprings to overcome. 'The same is trueof the cutter. It is operatedpositively by a simple connection with the plunger-bolt and without theresistance of springs to be' overcome, and by its connection through theplunger-bolt with the other devices must work' vat the proper time.

v I obtain from my im provements, then, simplicity of construction,

ance to be overcome by the motive force. k

In an earlier lapplication of mine, No. 95,342, tiled May 18, 1883,there are some `devices somewhat similar to those here shown anddescribed. In the said earlier application, howcertainty of action, anda reduction of resist ever, lthe cord-holder pawl or paw1-support isloose on the plunger-bolt, being connected to the latter by an eye,which provides for movement of this piece -on the bolt itself. In the.

present case it will be noticed that the pawl is pivoted to a rigidpiece projecting fromthe plunger-bolt, and the latter is movedpositively in both directions. I here disclaim all de- IOO vices shownin the said earlier application as 'A a part of my present improvement.

Having thus described my invention, what latter positively 'in eachdirection, substantially as described.

2. The plunger-bolt mounted in bearings, 'l

in combination with Athe cam-wheel C, provided with the brokenring-came, andthe wheel I-I, provided with the short cam h,substantially as and for the purposesset forth.

3. The knotter-frame, in combination withA the reciprocatingplunger-bolt mounted there-` on, the rotating cord-holder arranged someYdistance below the plunger-bolt, and the bent pawl pivoted directly to aprojectionV of the plungerbolt, substantially as and fort-hepur!` posesset forth. l

4. The knotter-frame, in combination withf thereciprocating plunger-boltmounted von the upper portion thereof, the disk cord-holder arrangedsome distance'below the plungerf l bolt and provided with a ratchet, andthe spring-pawl -pivoted directly to a projection of the plunger-boltand bentto cause 'the toe'` to move in a straight line about tangentialto4 y.

the ratchetwheel, substantially as and for the purposes setforth.

5. The reciprocating plunger-bolt, in combination with cord-holder, theactuating-pawl of the cord-holder connected to said bolt, and thecord-cutter pivoted to the knotter-frame and also connected to theplungerbolt,where by the reciprocation of the latter operates both thecord-holder and cutter, substantially as and for the purposes set forth.

6. The reciprocating plunger-bolt provided with the bent extension,substantially as specied, in combination with the angular pivotedcutter, substantially as and for the purposes set forth.

7. The reciprocating plunger-bolt provided with the extension g, carrieddownward and across the knotter-frame, in combination with the stud g2upon its outer end, and pivoted angular plate J, provided with the slotj, through which a pin, y', extends to connect the plate to the stud,and the cutter J, attached to the said plate, substantially as and forthe purposes set forth.

8. The knotter-frame, in combination with the reciprocating plunger-boltmounted loosely in bearings thereon, devices arranged to operatealternately on opposite ends ot' said bolt to reciprocate it positively,and a vibrating cord-cutter pivoted to the knotter-frame and connectedwith the plunger-bolt,whereby it is moved positively by the latter,substantially as and for the purposes set forth.

9. The knotter-frame, in combination with the reciprocating plunger-boltmounted loosely in bearings thereon, devices arranged to opcratealternately on opposite ends of said bolt to reciprocate it positively,a Vibrating cordcutter pivoted to the knotter-frame and connected withthe plunger-bolt, a cord-holder, and a pawl on the plunger-bolt foroperating the cordholder, substantially as and for the purposes setforth.

GEORGE G. HUNT.

Vitnesses:

FRED. J. HUsE, J. W. BLOOD.

